Get Oceanography and Marine Biology: An Annual Review, Volume 48 PDF

By R. N. Gibson, R. J. A. Atkinson, J. D. M. Gordon

ISBN-10: 143982116X

ISBN-13: 9781439821169

The ever-increasing curiosity in oceanography and marine biology and its relevance to worldwide environmental concerns creates a requirement for authoritative reports summarizing the result of fresh study. This annual reference has catered to this call for for greater than forty years. It considers easy components of marine examine, covers matters of detailed and topical value, and addresses new components as they come up. This quantity gains papers on ecosystem-based administration of marine macroalgae; the ecology and administration of temperate mangroves; the biology of vestimentiferan tubeworms; useful coral exploitation; and the historic reconstruction of human-induced adjustments in U.S. estuaries.

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Extra info for Oceanography and Marine Biology: An Annual Review, Volume 48

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Nereocystis populations along the outer coast were reduced by 75% (compared with only 8% reductions for Macrocystis). While mortality associated with strong storm events and wave action has the potential to reduce the size of Nereocystis beds, the ability of Nereocystis to rapidly recolonize disturbed areas following the removal of more competitively dominant species of algae such as Macrocystis may often accelerate postdisturbance recovery. In 1998, following the reductions in Nereocystis abundance in Washington mentioned above, Nereocystis populations rebounded dramatically, increasing by 423% (Berry et al.

The variability in management regulations is probably evidence of two factors that must be addressed for scientifically sound management policies to be enacted. First, more basic research needs to be done to characterize natural demographic dynamics of Nereocystis beds and quantify the effects of harvesting on these dynamics. Data generated by more regular and comprehensive stock assessment surveys can be used by governmental agencies to produce an allocation plan based on accurate knowledge of the kelp resource base and to identify harvestable areas and associated quotas.

Because replenishment of local populations of marine organisms is often a function of both local reproductive output and input from more distant sites, policy makers must look beyond political boundaries to develop biologically comprehensive management strategies. Stock assessment would be greatly facilitated if regulatory agencies from different states could collectively design a survey approach and agree to implement it on a more regular basis. Exchange of data generated by these surveys could be used to develop harvest regulations in a similar consensus-based manner.

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Oceanography and Marine Biology: An Annual Review, Volume 48 by R. N. Gibson, R. J. A. Atkinson, J. D. M. Gordon

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